Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11795034 | Escalator monitoring system, method, sound data collection device and fixture therefor | Tao Ye, Chao Zhang | 2023-10-24 |
| 11225399 | Escalator monitoring system, method, sound data collection device and fixture therefor | Tao Ye, Chao Zhang | 2022-01-18 |
| 11072516 | Safety apparatus for an escalator and an escalator comprising the safety apparatus | Wenming Lou, Bo Liu | 2021-07-27 |